Ioan Lascu

• B.Sc., Babeș-Bolyai University
• Ph.D., University of Minnesota
• M.Sc., Mississippi State University

Biogeomagnetism, iron biomineralization, mineral magnetism, environmental change

Journal Article

• Fox, Bethany R. S., Lascu, Ioan, Harrison, Richard, Pearson, Andrew R., Hellstrom, John, Breitenbach, Sebastian F. M., Einsle, Joshua F., Muraszko, Joy, and Hartland, Adam. 2025. "Multi-domain magnetic particles in speleothems as a proxy for past cave-stream flooding: A 33 kyr record from central North Island, Aotearoa New Zealand." Quaternary Science Reviews, 356. https://doi.org/10.1016/j.quascirev.2025.109289.
• Borlina, Cauê S., Lima, Eduardo A., Feinberg, Joshua M., Jaqueto, Plinio, Lascu, Ioan, Trindade, Ricardo I. F., Font, Eric, Sánchez‐Moreno, Elisa M., Dimuccio, Luca Antonio, Yokoyama, Yusuke, Parés, Josep M., Weiss, Benjamin P., and Dorale, Jeffrey A. 2024. "Obtaining High‐Resolution Magnetic Records From Speleothems Using Magnetic Microscopy." Geochemistry, Geophysics, Geosystems, 25, (10). https://doi.org/10.1029/2024GC011594.
• Kadam, Nitin, Badesab, Firoz, Lascu, Ioan, Wagner, Courtney L., Gaikwad, Virsen, Saha, Abhishek, Sangode, Satish, and Venkateshwarlu, Mamilla. 2024. "Discovery of late Quaternary giant magnetofossils in the Bay of Bengal." Communications Earth & Environment, 5, (1). https://doi.org/10.1038/s43247-024-01259-0.
• Necula, Cristian, Lascu, Ioan, Panaiotu, Cristian, and Gheorghe, Daniela. 2024. "Resolving the Interpretation of Magnetic Coercivity Components From Backfield Isothermal Remanence Curves Using Unmixing of Non‐Linear Preisach Maps: Application to Loess‐Paleosol Sequences." Journal of Geophysical Research: Solid Earth, 129, (6). https://doi.org/10.1029/2024JB029004.
• Swanner, Elizabeth D., Harding, Chris, Akam, Sajjad A., Lascu, Ioan, Ledesma, Gabrielle, Poudel, Pratik, Sun, Heeyeon, Duncanson, Samuel, Bandy, Karly, Branham, Alex, Bryant-Tapper, Liza, Conwell, Tanner, Jamison, Omri, and Netz, Lauren. 2024. "Thermal stratification and meromixis in four dilute temperate zone lakes." Biogeosciences, 21, (6) 1549–1562. https://doi.org/10.5194/bg-21-1549-2024.
• Wagner, Courtney L., Lascu, Ioan, Self-Trail, Jean, Gooding, Tim, Livi, Kenneth J. T., Greger, Gianna, Gardner, Kristina, Wycech, Jody, Dreier, Mark, and Oliver, Tom. 2024. "Discovery of giant and conventional magnetofossils bookending Cretaceous Oceanic Anoxic Event 2." Communications Earth & Environment, 5, (1). https://doi.org/10.1038/s43247-024-01540-2.
• Slotznick, Sarah P., Egli, Ramon, and Lascu, Ioan. 2023. "Magnetofossils: Relicts and Records of Deep Time and Space." Elements, 19, (4) 215–221. https://doi.org/10.2138/gselements.19.4.215.
• Suosaari, Erica P., Oehlert, Amanda M., Lascu, Ioan, Decho, Alan W., Piggot, Alan M., Palma, Alvaro T., Machabee, Paul F., and Reid, R. P. 2022. "Environmental and Biological Controls on Sedimentary Bottom Types in the Puquios of the Salar de Llamara, Northern Chile." Geosciences, 12, (6) 247. https://doi.org/10.3390/geosciences12060247.
• Oehlert, Amanda M., Suosaari, Erica P., Kong, Tianshu, Piggot, Alan M., Maizel, Daniela, Lascu, Ioan, Demergasso, Cecilia, Díaz, Guillermo Chong, and Reid, R. Pamela. 2022. "Physical, chemical, and microbial feedbacks controlling brine geochemistry and lake morphology in polyextreme salar environments." Science of the Total Environment, 836. https://doi.org/10.1016/j.scitotenv.2022.155378.
• Suosaari, Erica P., Lascu, Ioan, Oehlert, Amanda M., Parlanti, Paola, Mugnaioli, Enrico, Gemmi, Mauro, Machabee, Paul F., Piggot, Alan M., Palma, Alvaro T., and Reid, R. Pamela. 2022. "Authigenic clays as precursors to carbonate precipitation in saline lakes of Salar de Llamara, Northern Chile." Communications Earth & Environment, 3, (1). https://doi.org/10.1038/s43247-022-00658-5.
• Wagner, Courtney L., Stassen, Peter, Thomas, Ellen, Lippert, Peter C., and Lascu, Ioan. 2022. "Magnetofossils and Benthic Foraminifera Record Changes in Food Supply and Deoxygenation of the Coastal Marine Seafloor During the Paleocene‐Eocene Thermal Maximum." Paleoceanography and Paleoclimatology, 37, (10). https://doi.org/10.1029/2022PA004502.
• Wagner, Courtney L., Egli, Ramon, Lascu, Ioan, Lippert, Peter C., Livi, Kenneth J. T., and Sears, Helen B. 2021. "In situ magnetic identification of giant, needle-shaped magnetofossils in Paleocene-Eocene Thermal Maximum sediments." Proceedings of the National Academy of Sciences of the United States of America, 118, (6). https://doi.org/10.1073/pnas.2018169118.
• Wagner, Courtney L., Lascu, Ioan, Lippert, Peter C., Egli, Ramon, Livi, Kenneth J. T., and Sears, Helen B. 2021. "Diversification of Iron-Biomineralizing Organisms During the Paleocene-Eocene Thermal Maximum: Evidence From Quantitative Unmixing of Magnetic Signatures of Conventional and Giant Magnetofossils." Paleoceanography and Paleoclimatology, 36, (5). https://doi.org/10.1029/2021PA004225.
• Reid, R. P., Oehlert, Amanda, Suosaari, Erica, Demergasso, Cecilia, Chong, Guillermo, Escudero, Lorena, Piggot, Alan, Lascu, Ioan, and Palma, Alvaro. 2021. "A Multidisciplinary Evaluation of Spatial Heterogeneity in the Puquios of the Salar de Llamara, Atacama Desert, Northern Chile." Preprint, https://doi.org/10.21203/rs.3.rs-153999/v1.
• Bowles, Julie A., Morris, A., Tivey, Maurice A., and Lascu, Ioan. 2020. "Magnetic Mineral Populations in Lower Oceanic Crustal Gabbros (Atlantis Bank, SW Indian Ridge): Implications for Marine Magnetic Anomalies." Geochemistry Geophysics Geosystems, 21, (3) Article e2019GC008847. https://doi.org/10.1029/2019GC008847.
• Feinberg, J. M., Lascu, Ioan, Lima, E. A., Weiss, B. P., Dorale, J. A., Alexander, E. C., Jr., and Edwards, R. L. 2020. "Magnetic detection of paleoflood layers in stalagmites and implications for historical land use changes." Earth and Planetary Science Letters, 530 Article 115946. https://doi.org/10.1016/j.epsl.2019.115946.
• McLauchlan, Kendra K., Lascu, Ioan, Mellicant, Emily, Scharping, Robert J., and Williams, Joseph J. 2019. "Influences of forested and grassland vegetation on late Quaternary ecosystem development as recorded in lacustrine sediments." Quaternary Research, 92, (1) 201–215. https://doi.org/10.1017/qua.2018.148.
• Myre, Joseph M., Lascu, Ioan, Lima, Eduardo A., Feinberg, Joshua M., Saar, Martin O., and Weiss, Benjamin P. 2019. "Using TNT-NN to unlock the fast full spatial inversion of large magnetic microscopy data sets." Earth Planets and Space, 71 14–14. https://doi.org/10.1186/s40623-019-0988-8.
• Tarduno, John A., Oda, Hirokuni, Yamamoto, Yuhji, Xuan, Chuang, Lascu, Ioan, and Fukuma, Koji. 2019. "Special issue "Recent advances in geo-, paleo- and rock-magnetism"." Earth Planets and Space, 71 68–68. https://doi.org/10.1186/s40623-019-1043-5.
• Harrison, Richard J., Muraszko, Joy, Heslop, David, Lascu, Ioan, Muxworthy, Adrian R., and Roberts, Andrew P. 2018. "An Improved Algorithm for Unmixing First‐Order Reversal Curve Diagrams Using Principal Component Analysis." Geochemistry, Geophysics, Geosystems, 19, (5) 1595–1610. https://doi.org/10.1029/2018GC007511.
• Lascu, Ioan, Einsle, Joshua F., Ball, Matthew R., and Harrison, Richard J. 2018. "The Vortex State in Geologic Materials: A Micromagnetic Perspective." Journal of Geophysical Research: Solid Earth, 123, (9) 7285–7304. https://doi.org/10.1029/2018JB015909.

Poster

• Cottrell, Elizabeth, Lascu, Ioan, Andrys, Janine, Ackerson, Michael, Corrigan, Catherine, Farfan, Gabriela, Guice, George, Miller, Matthew, Cole, Selena, Pobiner, Briana, Rasmussen, Daniel, Troch, Juliana, and Tucker, Jonathan. 2022. [Poster] Unlearning racism in a federal setting. American Geophysical Union 2021 Fall Meeting, https://doi.org/10.1002/essoar.10510401.2.